Base | Representation |
---|---|
bin | 1000101001010… |
… | …10110010010000 |
3 | 12001110202022220 |
4 | 10110222302100 |
5 | 122031330432 |
6 | 11110301040 |
7 | 1540316646 |
oct | 424526220 |
9 | 161422286 |
10 | 72526992 |
11 | 37a3766a |
12 | 20357780 |
13 | 12044aa5 |
14 | 98bd196 |
15 | 657972c |
hex | 452ac90 |
72526992 has 40 divisors (see below), whose sum is σ = 187740960. Its totient is φ = 24126720.
The previous prime is 72526967. The next prime is 72527017. The reversal of 72526992 is 29962527.
It is an interprime number because it is at equal distance from previous prime (72526967) and next prime (72527017).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28492 + ... + 30932.
It is an arithmetic number, because the mean of its divisors is an integer number (4693524).
Almost surely, 272526992 is an apocalyptic number.
It is an amenable number.
72526992 is an abundant number, since it is smaller than the sum of its proper divisors (115213968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72526992 is a wasteful number, since it uses less digits than its factorization.
72526992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3071 (or 3065 counting only the distinct ones).
The product of its digits is 136080, while the sum is 42.
The square root of 72526992 is about 8516.2780602796. The cubic root of 72526992 is about 417.0292867423.
The spelling of 72526992 in words is "seventy-two million, five hundred twenty-six thousand, nine hundred ninety-two".
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